CN1398244A - Gas-generating agent compsn. comprising triazmine derivative - Google Patents
Gas-generating agent compsn. comprising triazmine derivative Download PDFInfo
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- CN1398244A CN1398244A CN01804546A CN01804546A CN1398244A CN 1398244 A CN1398244 A CN 1398244A CN 01804546 A CN01804546 A CN 01804546A CN 01804546 A CN01804546 A CN 01804546A CN 1398244 A CN1398244 A CN 1398244A
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- melamine
- oxide
- gas
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D5/00—Fertilisers containing magnesium
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/06—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by reaction of two or more solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/263—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using a variable source, e.g. plural stage or controlled output
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
- B60R21/2644—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Air Bags (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
A gas generating composition for an air bag having a low toxicity, a high burning rate and a low combustion temperature is provided. It is a gas generating composition comprising (a) a triazine derivative, (b) a basic metal nitrate, and (c) a binder or (c) a binder and (d) an additive.
Description
Invention field
The present invention relates to be suitable for the gas-generating agent composition, its moulded product of the air bag restraint system of automobile etc. and with its inflator that is used for air bag.
Correlation technique
About gas generating agent, usually use composition so far with sodiumazide as the air bag of car passenger protection system.Yet, think the toxicity [LD of sodiumazide to human body
50(oral-mouse)=27mg/kg] or the hazardness of handling in the sodiumazide be a serious problem.Therefore, developed the gas-generating agent composition that contains various organic compounds containing nitrogens gas-generating agent composition as the non-azide based of safety.
For example, US-A 4909549 discloses a kind of composition that comprises hydrogeneous tetrazolium or triazole compounds and oxygen containing oxidant.US-A 4370181 discloses the gas-generating agent composition that comprises two tetrazolium metal-salts of no hydrogen and anaerobic oxidation agent.US-A4369079 discloses a kind of gas-generating agent composition that comprises the two tetrazolium metal-salts of no hydrogen, base metal nitrate, alkali metal nitrites salts, alkine earth metal nitrate, alkaline earth metal nitrite or its mixture.US-A 5542999 discloses a kind of fuel, subnitrate, the catalyzer of reduction toxic gas and gas generating agent of refrigerant that comprises as GZT, TAGN, NG (nitroguanidine), NTO etc.JP-A 10-72273 discloses a kind of gas generating agent that comprises two tetrazolium saltses, two tetrazolium ammonium salt or amino tetrazole and ammonium nitrate.
Yet the gas-generating agent composition of the non-thing base that dissolves is problematic at aspects such as the amount of the carbon monoxide of temperature of combustion, rate of combustion, phase transition, generation and nitrogen oxide, gas outputs.For example, the gas-generating agent composition of US-A4369079 has high temperature of combustion, and needs a large amount of refrigerants when reality is used.The composition of US-A 5542999 has low rate of combustion, and at short notice can not perfect combustion.In the gas generating agent of JP-A10-72273, owing to the phase transition of ammonium nitrate, the shape of moulded piece changes in use temperature, and it has damaged the moulded piece of gas generating agent, and the result can not obtain stable burning.In addition, in these correlation techniques based on the gas generating agent of non-azide based, tetrazolium, nitroguanidine and TAGN are used as the fuel of gas generating agent.Yet these compounds are deleterious material entirely, must SC for security consideration when handling them.
Disclosure of the Invention
Therefore, the carbon monoxide that an object of the present invention is to provide that temperature of combustion is low, rate of combustion is high, produces and the amount of nitrogen oxide is low, combustion stability good and safe gas-generating agent composition during processing, its moulded piece and with its air bag inflator.
The invention provides a kind of gas-generating agent composition, comprise (a) pyrrolotriazine derivatives and (b) oxygenant.
In addition, the invention provides and a kind ofly be monoporate column shape, poroid (porous) cylindricality or granulous moulded piece by the preparation of this gas-generating agent composition.
The present invention also provides a kind of air bag inflator that uses this gas-generating agent composition and moulded piece.
Gas-generating agent composition of the present invention and moulded piece are because hypotoxicity and almost harmless and easy processing.In addition, the rate of combustion height, temperature of combustion is low, and the carbon monoxide that produces when burning and the amount of nitrogen oxide are minimized.
Embodiments of the present invention
Be used for the pyrrolotriazine derivatives as component (a) of the present invention and be preferred, this is because its toxicity is low, and with component (b) when being used in combination, temperature of combustion is low and improved rate of combustion.
About pyrrolotriazine derivatives, can mention and be selected from triazine (1,2,3-triazine, 1,2,4-triazine or 1,3,5-triazines), at least a in the nitro-compound of melamine, trihydrazinotriazine, tri methylol melamine, alkylated methylol melamine, cyanurodiamide, cyanuramide, ammelande, cyanuric acid, cyanuric acid derivative such as cyanurate, melam, melem, nitric acid melamine, perchloric acid melamine and melamine such as the dinitrobenzene cyanurodiamide.
Wherein, preferred melamine and trihydrazinotriazine (THT), this is because LD
50(oral-mouse)=3.161mg/kg, the combustion stability height is good and cost is low in the property handled security.
About being used for the oxygenant as component (b) of the present invention, can mentioning being selected from least a in oxysalt, metal oxide, metal double oxide, metal peroxides and the basic metal nitrate.Wherein, preferred basic metal nitrate, preferred especially basic copper nitrate.
Oxysalt comprises the salt that contains the positively charged ion that is selected from ammonium, basic metal and alkaline-earth metal and be selected from the no hydride ion of nitric acid, nitrous acid, chloric acid and perchloric acid.
The example of this oxysalt comprises ammonium salt, an alkali metal salt and the alkaline earth salt of nitric acid, as ammonium nitrate, SODIUMNITRATE, saltpetre, magnesium nitrate and strontium nitrate; The ammonium salt of nitrous acid, an alkali metal salt and alkaline earth salt are as ammonium nitrite, Sodium Nitrite, potassium nitrite, magnesium nitrite and strontium nitrite; The ammonium salt of chloric acid, an alkali metal salt and alkaline earth salt are as ammonium chlorate, sodium chlorate, Potcrate, magnesium chlorate and barium chlorate; The ammonium salt of perchloric acid, an alkali metal salt and alkaline earth salt are as ammoniumper chlorate, sodium perchlorate, potassium perchlorate, magnesium perchlorate and barium perchlorate.
Metal oxide, metal peroxides and metal double oxide comprise oxide compound, superoxide and the double oxide of copper, cobalt, iron, magnesium, nickel, zinc, molybdenum and bismuth.
The example of metal oxide, superoxide and metal double oxide can comprise CuO, Cu
2O, Co
2O
3, CoO, Co
3O
4, Fe
2O
3, FeO, Fe
3O
4, MnO
2, Mn
3O
4, NiO, ZnO, MoO
3, CoMoO
4, Bi
2MoO
6, and Bi
2O
3
Basic metal nitrate comprises some compounds that are expressed from the next.The other compound comprises its hydrate.In the formula, M represents the number of metal, x ' expression metal, and y and y ｀ represent NO
3Ionic number, z ｀ are represented OH ionic number, and n represents M (OH)
zPart and M (NO
3) ratio of y part.
M (NO
3)
y.nM (OH)
zOr M
X ｀(NO
3)
Y ｀(OH)
Z ｀
Comprise the compound of the copper that contains as metal M, cobalt, zinc, manganese, iron, molybdenum, bismuth, cerium corresponding to the example of the compound of this formula, as Cu
2(NO
3) (OH)
3, Cu
3(NO
3) (OH)
5.2H
2O, Co
2(NO
3) (OH)
3, Zn
2(NO
3) (OH)
3, Mn (NO
3) (OH)
2, Fe
4(NO
3) (OH)
11.2H
2O, Bi (NO
3) (OH)
2And Ce (NO
3) (OH) .3H
2O.
About basic metal nitrate, mention and be selected from least a of basic copper nitrate (BCN), alkali formula Xiao Suangu, alkali formula zinc nitrate, alkali formula manganous nitrate, alkali formula iron nitrate, alkali formula nitric acid molybdenum, Vikaline and alkali formula cerous nitrate.Wherein, preferred basic copper nitrate.
Than ammonium nitrate as oxygenant, the good heat stability of basic copper nitrate, this is because phase transition and fusing point height do not occur in the use temperature scope.In addition, because basic copper nitrate works to do to reduce the temperature of combustion of gas generating agent, the amount of the nitrogen peroxide of generation can reduce.
When gas-generating agent composition of the present invention comprises component (a) and (b) time, the amount of component (a) is preferably 5-60% weight, 5-50% weight more preferably, 10-30% weight more preferably, the amount of component (b) is preferably 40-95% weight, more preferably 50-95% weight, more preferably 70-90% weight.
The preferred example that comprises component (a) and composition (b) is to comprise (a) melamine and (b) composition of basic copper nitrate.In this case, (a) amount of melamine is a 15-45% weight, is preferably 15-25% weight, and (b) amount of basic copper nitrate is a 55-85% weight, is preferably 75-85% weight.
Another preferred example that comprises component (a) and composition (b) is to comprise (a) trihydrazinotriazine and (b) composition of basic copper nitrate.In this case, (a) amount of trihydrazinotriazine is a 15-45% weight, is preferably 15-25% weight, and (b) amount of basic copper nitrate is a 55-85% weight, is preferably 75-85% weight.
Gas-generating agent composition of the present invention also can contain tackiness agent improves moulded piece as component (c) intensity.
About tackiness agent, can mention be selected from following at least a: carboxymethyl cellulose (CMC), sodium carboxymethyl-cellulose (CMCNa), the sylvite of carboxymethyl cellulose, the ammonium salt of carboxymethyl cellulose, rhodia, cellulose acetate butyrate (CAB), methylcellulose gum (MC), ethyl cellulose (EC), Natvosol (HEC), Type 3U (EHEC), hydroxypropylcellulose (HPC), carboxymethylethylcellulose (CMEC), the fine crystallization Mierocrystalline cellulose, polyacrylamide, the amine product of polyacrylamide, polyacrylic hydrazide, the multipolymer of acrylic acid amides and acrylic acid metal-salt, the multipolymer of polyacrylic acid amide and polyacrylic ester, polyvinyl alcohol, acrylic elastomer, guar gum, starch and siloxanes.Wherein, consider viscosity, cost and kindling, preferably carboxymethyl cellulose sodium salt (CMCNa) and guar gum.
Gas-generating agent composition of the present invention also can contain additive to be reduced owing to reducing temperature of combustion burn the deleterious nitrogen oxide that the back produces and the amount of carbon monoxide as component (d).
About additive, can mention be selected from following at least a: metal oxide such as cupric oxide, ferric oxide, cobalt oxide, manganese oxide, molybdenum oxide, nickel oxide, bismuth oxide, silicon oxide and aluminum oxide; Metal hydroxides such as aluminium hydroxide, cobaltous hydroxide and ironic hydroxide; Metal carbonate or basic metal carbonate such as cobaltous carbonate, lime carbonate, zinc subcarbonate and ventilation breather; The mixture of metal oxide or oxyhydroxide such as Japanese acid clay, kaolin, talcum, wilkinite, diatomite and hydrotalcite (hydrotalcite); Metal acid-salt such as water glass, mica, molybdate, cobalt molybdate and ammonium molybdate; Siloxanes, molybdenumdisulphide, calcium stearate, silicon nitride and silicon carbide.Wherein preferred aluminium hydroxide and cobalt oxide.
Can use one or both of additive of the tackiness agent of combination (c) and component (d).
When gas-generating agent composition of the present invention comprises the component (a) and (b) and (c) and/or (d) time, the amount of component (a) is preferably 5-60% weight, 10-25% weight more preferably, the amount of component (b) is preferably 40-95% weight, and more preferably 40-85% weight also is preferably 50-80% weight, the amount of component (c) is preferably 0.1-15% weight, 1-10% weight more preferably, the amount of component (d) is preferably 0.1-20% weight, more preferably 3-15% weight.
A preferred example that comprises component (a) and (b) and (c) composition is to comprise (a) melamine, (b) basic copper nitrate and (c) composition of Xylo-Mucine.In this case, the amount of preferred (a) melamine is a 15-25% weight, and (b) amount of basic copper nitrate is a 60-80% weight, and (c) amount of Xylo-Mucine is a 0.1-10% weight.
Another preferred example that comprises component (a) and (b) and (c) composition is to comprise (a) melamine, (b) basic copper nitrate and (c) composition of guar gum.In this case, the amount of preferred (a) melamine is a 15-25% weight, and (b) amount of basic copper nitrate is a 60-80% weight, and (c) amount of guar gum is a 0.1-10% weight.
Another preferred example that comprises component (a) and (b) and (c) composition is to comprise (a) three hydrazine triazines, (b) basic copper nitrate and (c) composition of guar gum.In this case, the amount of preferred (a) three hydrazine triazines is a 15-25% weight, and (b) amount of basic copper nitrate is a 60-80% weight, and (c) amount of guar gum is a 0.1-10% weight.
A preferred example that comprises component (a) and (b), (c) and composition (d) is to comprise (a) melamine, (b) basic copper nitrate, (c) Xylo-Mucine and (d) composition of aluminium hydroxide.In this case, the amount of preferred (a) melamine is a 10-25% weight, and (b) amount of basic copper nitrate is a 60-80% weight, and (c) amount of Xylo-Mucine is a 0.1-10% weight, and (d) amount of aluminium hydroxide is a 1-15% weight.
Another preferred example that comprises component (a) and (b), (c) and composition (d) is to comprise (a) melamine, (b) basic copper nitrate, (c) Xylo-Mucine and (d) composition of cobalt oxide.In this case, the amount of preferred (a) melamine is a 10-25% weight, and (b) amount of basic copper nitrate is a 60-80% weight, and (c) amount of Xylo-Mucine is a 0.1-10% weight, and (d) amount of cobalt oxide is a 1-10% weight.
A preferred example that comprises component (a) and (b), (c) and composition (d) is to comprise (a) melamine, (b) basic copper nitrate, (c) guar gum and (d) composition of aluminium hydroxide.In this case, the amount of preferred (a) melamine is a 10-25% weight, and (b) amount of basic copper nitrate is a 60-80% weight, and (c) amount of guar gum is a 0.1-10% weight, and (d) amount of aluminium hydroxide is a 1-10% weight.
A preferred example that comprises component (a) and (b), (c) and composition (d) is to comprise (a) three hydrazine triazines, (b) basic copper nitrate, (c) guar gum and (d) composition of aluminium hydroxide.In this case, the amount of preferred (a) three hydrazine triazines is a 10-25% weight, and (b) amount of basic copper nitrate is a 60-80% weight, and (c) amount of guar gum is a 0.1-10% weight, and (d) amount of aluminium hydroxide is a 1-10% weight.
Gas-generating agent composition of the present invention can be molded as required shape, and is molded as and is monoporate column shape, poroid (porous) cylindricality or granulous moulded piece.These moulded piece can be by mixing gas-generating agent composition with water or organic solvent, and this mixture extrusion molding is prepared (moulded piece is the single hole shape), or prepare (moulded piece in pelletized form) with the tablets press extrusion molding is molded.
Gas-generating agent composition that obtains in the present invention or moulded piece can be used for the banded system and the producer gas generator that are used to protect as the inflator of the inflator of the inflator of the inflator of the inflator of officer's air bag, passenger's air bag and inflatable cushion, knee support, inflatable seat band, various vehicle.
In addition, use the inflator of the gas-generating agent composition of gained of the present invention or its moulded piece to can be firework type, wherein only provide gas, or be mixed type, wherein provide gas with gas generating agent from pressurized air such as argon etc. by gas generating agent.
In addition, gas-generating agent composition of the present invention or its moulded piece also can be used as the priming mixture that is called promotor (or booster explosive), are used for the capsular transmission ofenergy to gas generating agent.
Embodiment
The present invention specifically describes by following embodiment and comparative example.Yet the present invention is not limited to these embodiment.In table, BCN represents basic copper nitrate, and CMCNa represents Xylo-Mucine, and Gum represents guar gum, and BHTK represents two tetrazolium potassium, and THT represents three hydrazine triazines.
Embodiment 1-18 and comparative example 1 and 2
Prepare every kind of gas-generating agent composition with the prescription shown in the table 1.The temperature of combustion of these compositions of root a tree name Theoretical Calculation, gas production rate (mole number of the gas of the every 100g component deposits yields of unit " mol/100 " expression) and the CO that produces and the amount of NO are shown in Table 1.
Table 1
| Prescription (weight %) | Temperature of combustion (K) | Gas production rate (mol/100g) | The amount (mol/100g) of the CO that produces | The amount (mol/100g) of the NO that produces | |
| Embodiment 1 | Melamine/BCN=20.8/79.2 | ?1503 | ??2.14 | ?2.5×10 -4 | ??0 |
| Embodiment 2 | Melamine/BCN/CMCNa=18.8/ 78.2/3 | ?1463 | ??2.16 | ?3.6×10 -2 | ??0 |
| Embodiment 3 | Melamine/BCN/CMCNa=20.8/ 76.2/3 | ?1358 | ??2.28 | ?0.12 | ??0 |
| Embodiment 4 | Melamine/BCN/Gum=18.51/7 8.49/3 | ?1449 | ??2.17 | ?3.5×10 -2 | ??0 |
| Embodiment 5 | Melamine/BCN/CMCNa/Al (OH) 3＝17.76/74.24/3/5 | ?1358 | ??2.15 | ?3.1×10 -2 | ??0 |
| Embodiment 6 | Melamine/BCN/CMCNa/Al (OH) 3＝16.72/70.28/3/10 | ?1292 | ??2.14 | ?2.8×10 -2 | ??0 |
| Embodiment 7 | Melamine/BCN/CMCNa/Al (OH) 3＝15.68/66.32/3/15 | ?1177 | ??2.13 | ?2.2×10 -2 | ??0 |
| Embodiment 8 | Melamine/BCN/CMCNa/Co 3O 4?＝17.99/74.01/3/5 | ?1423 | ??2.06 | ?3.5×10 -2 | ??0 |
| Embodiment 9 | Melamine/BCN/CMCNa/Co 3O 4?＝17.18/69.82/3/10 | ?1382 | ??1.97 | ?3.3×10 -2 | ??0 |
| Embodiment 10 | Melamine/BCN/Gum/Al (OH) 3?＝17.47/74.53/3/5 | ?1358 | ??2.16 | ?3.1×10 -2 | ??0 |
| Embodiment 11 | Melamine/BCN/Gum/Al (OH) 3?＝16.43/70.57/3/10 | ?1281 | ??2.15 | ?2.7×10 -2 | ??0 |
| Embodiment 12 | Melamine/BCN/Gum/Al (OH) 3?＝15.39/66.61/3/15 | ?1166 | ??2.14 | ?2.2×10 -2 | ??0 |
| Embodiment 13 | Melamine/BCN/Gum/CO 3O 4＝1 ?7.70/74.30/3/5 | ?1408 | ??2.07 | ?3.4×10 -2 | ??0 |
| Embodiment 14 | Melamine/BCN/Gum/Co 3O 4＝1 ?6.89/70.11/3/10 | ?1367 | ??1.99 | ?3.3×10 -2 | ??0 |
| Embodiment 15 | ?THT/BCN＝23.40/76.60 | ?1786 | ??2.28 | ?3.3×10 -3 | ??7.2×10 -5 |
| Embodiment 16 | ?THT/BCN/CMCNa＝20.40/76.6 ?0/3 | ?1749 | ??2.24 | ?2.4×10 -3 | ??2.5×10 -5 |
| Embodiment 17 | ?THT/BCN/Gum＝20.00/77.00/ ?3 | ?1739 | ??2.24 | ?1.2×10 -3 | ??4.5×10 -5 |
| Embodiment 18 | ?THT/BCN/Gum/Al(OH) 3＝18.9 ?/73.1/3/5 | ?1603 | ??2.23 | ?1.8×10 -3 | ??3.1×10 -6 |
| Comparative example 1 | ?BHTK/KNO 3＝51.44/48.56 | ?2393 | ??1.26 | ?5.1×10 -4 | ??4.1×10 -3 |
| Comparative example 2 | ?NaN 3/CuO＝61/39 | ?1421 | ??1.41 | ?0 | ??1.3×10 -6 |
Temperature of combustion among the embodiment 1-18 is all more than low 600 degree than the non-azido-gas generating agent of comparative example 1, the temperature of combustion of embodiment 3,5-7 and 9-14 even low than the azido-gas generating agent of comparative example 2.In addition, in embodiment 1-14, do not occur NO in theory, and find to have the effect of the amount that reduces the NO that produces with respect to comparative example 1 and 2.In addition, the gas production rate of embodiment 1-18 exceeds the azido-gas generating agent of comparative example 2 above 50%.
Embodiment 19-24
Prepare the gas-generating agent composition that each has prescription shown in the table 2.Root a tree name JISK 4810-1979 blasting performance method of testing is tested the friction susceptibility of these compositions and the susceptibility of dropping hammer.Test result is listed in table 2.Table 2
| Prescription (weight %) | Friction susceptibility (kgf) | The susceptibility of dropping hammer (cm) | |
| Embodiment 19 | Melamine/BCN/CMCNa=19.80/77.20/3 | ??＞36.0 | ??＞100 |
| Embodiment 20 | Melamine/BCN/CMCNa/Co 3O 4＝ ?17.18/69.82/3/10 | ??＞36.0 | ??＞100 |
| Embodiment 21 | Melamine/BCN/CMCNa/Al (OH) 3＝ ?16.72/70.28/3/10 | ??＞36.0 | ??＞100 |
| Embodiment 22 | Melamine/BCN/CMCNa/Japanese acid clay=20.80/76.20/3/5 | ??＞36.0 | ??＞100 |
| Embodiment 23 | Melamine/BCN/CMCNa/SiO 2＝ ?20.80/76.20/3/5 | ??＞36.0 | ??＞100 |
| Embodiment 24 | Melamine/BCN/CMCNa/mica=20.80/76.20/3/5 | ??＞36.0 | ??＞100 |
In embodiment 19-24, friction susceptibility surpasses 36.0kgf, and the susceptibility of dropping hammer surpasses 100cm.Therefore, think that the security of handling is very high.
Embodiment 25-30
Prepare the gas-generating agent composition that each has prescription shown in the table 3.To these compositions, use RigakuK, the TAS type differential thermal analyzer that K makes is measured the temperature of temperature of fusion, beginning pyrolysated temperature and beginning TG weight loss.The speed that temperature raises in test is 20 ℃/minute, and the atmosphere of test is nitrogen, and the amount of sample is 1-2mg in the test.The results are shown in the table 3.
Table 3
| Prescription (weight %) | Temperature of fusion (℃) | Beginning pyrolysated temperature (℃) | The temperature of minimum weight loss (℃) | |
| Embodiment 25 | Melamine/BCN=25/75 | ??210 | ??237 | ??230 |
| Embodiment 26 | Melamine/BCN/CMCNa=20.80/76.20/3 | ??206 | ??233 | ??214 |
| Embodiment 27 | Melamine/BCN/CMCNa/Co 3O 4＝ ??17.18/69.82/3/10 | ??203 | ??229 | ??211 |
| Embodiment 28 | Melamine/BCN/CMCNa/Al (OH) 3＝ ??16.72/70.28/3/10 | ??204 | ??231 | ??212 |
| Embodiment 29 | ??THT/BCN＝23.4/76.6 | ??- | ??180 | ??185 |
| Embodiment 30 | ??THT/BCN/CMCNa＝20.4/76.6/3 | ??- | ??179 | ??182 |
In embodiment 25-30, find the enough height of temperature and the Heat stability is good of temperature of fusion, beginning pyrolysated temperature and minimum weight loss.
Embodiment 31-35
Prepare the gas-generating agent composition that each has prescription shown in the table 4.Each is molded as rope these compositions.Under nitrogen atmosphere 4900,6860 or the pressure of 8820kPa under test rate of combustion.Rate of combustion under the pressure index of 6860kPa and 4900-8280kPa is shown in Table 4.
Table 4
| Prescription (weight %) | Rate of combustion (mm/ second) | Pressure index | |
| Embodiment 31 | Melamine/BCN/CMCNa=19.80/77.20/3 | ?15.89 | ??0.25 |
| Embodiment 32 | Melamine/BCN/CMCNa/Co 3O 4＝ 17.99/74.01/3/5 | ?15.26 | ??0.18 |
| Embodiment 33 | Melamine/BCN/CMCNa/Co 3O 4＝ 17.18/69.82/3/10 | ?14.03 | ??0.16 |
| Embodiment 34 | Melamine/BCN/Gum/Al (OH) 3＝ 17.47/74.53/3/5 | ?13.98 | ??0.18 |
| Embodiment 35 | Melamine/BCN/Gum/Al (OH) 3＝ ??16.43/70.57/3/10 | ?10.15 | ??0.20 |
Each value shown in the embodiment 31-35 shows that these compositions satisfy the actual requirement as the gas-generating agent composition of inflator.
Embodiment 36-48
Prepare the gas-generating agent composition that each has prescription shown in the table 5.Each is molded as the rope of 2g these compositions.It is in 1 liter the bullet of sealing that this rope is installed in internal volume, and using nitrogen wash in the bullet.Light this rope from the nichrome galvanization, and perfect combustion.After galvanization has begun 20 seconds, in the gas sampling bag, collect gas, analyze NO immediately with exploring tube
2, NO, CO and CO
2Concentration.
Table 5
| Prescription (weight %) | The NO that produces 2Amount ppm | The amount ppm of the NO that produces | The amount ppm of the CO that produces | The CO that produces 2Amount ppm | |
| Embodiment 36 | Melamine/BCN=20.8/7 9.2 | ?0 | ?37 | ?50 | ?2300 |
| Embodiment 37 | Melamine/BCN/CMCNa=18.8/78.2/3 | ?0 | ?55 | ?110 | ?3000 |
| Embodiment 38 | Melamine/BCN/CMCNa=19.8/77.2/3 | ?0 | ?42 | ?150 | ?1700 |
| Embodiment 39 | Melamine/BCN/CMCNa=20.8/76.2/3 | ?0 | ?9 | ?130 | ?1400 |
| Embodiment 40 | Melamine/BCN/CMCNa/ Al (OH) 3＝17.76/74.24 ?/3/5 | ?0 | ?8 | ?100 | ?1700 |
| Embodiment 41 | Melamine/BCN/CMCNa/ Al (OH) 3＝15.72/71.28 ?/3/10 | ?0 | ?13 | ?70 | ?1900 |
| Embodiment 42 | Melamine/BCN/CMCNa/ Al (OH) 3＝16.72/70.28 ?/3/10 | ?0 | ?6 | ?130 | ?2100 |
| Embodiment 43 | Melamine/BCN/CMCNa/ Al (OH) 3＝17.72/69.28 ?/3/10 | ?0 | ?4 | ?160 | ?1700 |
| Embodiment 44 | Melamine/BCN/CMCNa/ Al (OH) 3＝15.68/66.32 ?/3/15 | ?0 | ?5 | ?100 | ?1700 |
| Embodiment 45 | Melamine/BCN/CMCNa/ Co 3O 4＝17.99/74.01/3 ?/5 | ?0 | ?30 | ?110 | ?1500 |
| Embodiment 46 | Melamine/BCN/CMCNa/ Co 3O 4＝17.18/69.82/3 ?/10 | ?0 | ?9 | ?120 | ?1400 |
| Embodiment 47 | Melamine/BCN/CMCNa/ Japanese acid clay=20.8/76.2/3/5 | ?0 | ?17 | ?170 | ?2100 |
| Embodiment 48 | Melamine/BCN/CMCNa/ mica=20.8/76.2/3/5 | ?0 | ?5 | ?220 | ?2100 |
Claims (20)
1, a kind of comprising (a) triaizine compounds and (b) gas-generating agent composition of oxygenant.
2, the composition of claim 1, wherein (b) is oxygen containing oxidant.
3, claim 1 or 2 composition, wherein the oxygenant of component (b) is to be selected from least a in oxysalt, metal oxide, metal double oxide, metal peracid and the basic metal nitrate.
4, the composition of claim 3, wherein basic metal nitrate is be selected from basic copper nitrate, alkali formula Xiao Suangu, alkali formula zinc nitrate, alkali formula manganous nitrate, alkali formula iron nitrate, alkali formula nitric acid molybdenum, Vikaline and alkali formula cerous nitrate at least a.
5, each composition among the claim 1-4, wherein (a) triaizine compounds is to be selected from least a in triaizine compounds, melamine compound, trihydrazinotriazine, tri methylol melamine, alkylated methylol melamine, cyanurodiamide, cyanuramide, ammelande, cyanuric acid, cyanuric acid compound, melam, melem, nitric acid melamine, perchloric acid melamine and the nitro melamine.
6, each composition among the claim 1-5, it comprises the component (a) of 5-60% weight and the component (b) of 40-95% weight.
7, each composition among the claim 1-6, it also comprises (c) tackiness agent and/or (d) additive.
8, the composition of claim 7, wherein (c) tackiness agent be selected from following at least a: carboxymethyl cellulose, sodium carboxymethyl-cellulose, the sylvite of carboxymethyl cellulose, the ammonium salt of carboxymethyl cellulose, rhodia, cellulose acetate butyrate, methylcellulose gum, ethyl cellulose, Natvosol, Type 3U, hydroxypropylcellulose, carboxymethylethylcellulose, the fine crystallization Mierocrystalline cellulose, polyacrylamide, the amine product of polyacrylamide, polyacrylic hydrazide, the multipolymer of acrylic acid amides and acrylic acid metal-salt, the multipolymer of polyacrylic acid amide and polyacrylic ester, polyvinyl alcohol, acrylic elastomer, guar gum, starch, siloxanes.
9, the composition of claim 7, wherein (d) additive be selected from following at least a: the metal oxide that is selected from cupric oxide, ferric oxide, cobalt oxide, manganese oxide, molybdenum oxide, nickel oxide, bismuth oxide, silicon oxide and aluminum oxide; Be selected from the metal hydroxides of aluminium hydroxide, cobaltous hydroxide and ironic hydroxide; Be selected from the metal carbonate or the basic metal carbonate of cobaltous carbonate, lime carbonate, zinc subcarbonate and ventilation breather; Be selected from the metal oxide of Japanese acid clay, kaolin, talcum, wilkinite, diatomite, hydrotalcite and the mixture of oxyhydroxide; Be selected from the metal acid-salt of water glass, mica, molybdate, cobalt molybdate and ammonium molybdate; Si oxide, molybdenumdisulphide, calcium stearate, silicon nitride and silicon carbide.
10, each composition in the claim 7,8 and 9, it comprises the component (c) of 0.1-15% weight and the component (d) of 0.1-20% weight.
11, each composition among the claim 1-10, wherein component (a) is melamine or trihydrazinotriazine, component (b) is a basic copper nitrate.
12, the composition of claim 11, it comprises (a) melamine of 15-45% weight or (b) basic copper nitrate of trihydrazinotriazine and 55-85% weight.
13, the composition of claim 7, it comprises (a) melamine or trihydrazinotriazine, (b) basic copper nitrate and (c) Xylo-Mucine or guar gum.
14, the composition of claim 13, it comprises (a) melamine of 15-25% weight, (b) basic copper nitrate of 60-80% weight and (c) Xylo-Mucine or the guar gum of 0.1-10% weight.
15, the composition of claim 13, it comprises (a) trihydrazinotriazine of 15-25% weight, (b) basic copper nitrate of 60-80% weight and (c) Xylo-Mucine or the guar gum of 0.1-10% weight.
16, the composition of claim 10, it comprises (a) melamine of 15-25% weight, (b) basic copper nitrate of 60-80% weight and (c) Xylo-Mucine and (d) aluminium hydroxide of 1-15% weight or (d) cobalt oxide of 1-10% weight of 0.1-10% weight.
17, the composition of claim 10, it comprises (d) aluminium hydroxide of (c) Xylo-Mucine 1-15% weight of (b) basic copper nitrate of (a) trihydrazinotriazine, 60-80% weight of 15-25% weight and 0.1-10% weight or (d) cobalt oxide of 1-10% weight.
18, by the gas-generating agent composition of extruding among the claim 1-17 each and the moulded piece of the gas-generating agent composition that is single hole column or porous column that obtains.
19, by among the compression moulding claim 1-17 each gas-generating agent composition and the moulded piece of the gas-generating agent composition in pelletized form that obtains.
20, use the inflator that is used for air bag of each gas-generating agent composition among the claim 1-17.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000027647A JP4500399B2 (en) | 2000-02-04 | 2000-02-04 | Gas generant composition containing triazine derivative |
| JP27647/2000 | 2000-02-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1398244A true CN1398244A (en) | 2003-02-19 |
| CN1210234C CN1210234C (en) | 2005-07-13 |
Family
ID=18553191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB018045464A Expired - Lifetime CN1210234C (en) | 2000-02-04 | 2001-02-01 | Gas-generating agent compsn. comprising triazmine derivative |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20030024618A1 (en) |
| EP (1) | EP1254880B1 (en) |
| JP (1) | JP4500399B2 (en) |
| KR (1) | KR100838192B1 (en) |
| CN (1) | CN1210234C (en) |
| TW (1) | TWI231809B (en) |
| WO (1) | WO2001056953A1 (en) |
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- 2000-02-04 JP JP2000027647A patent/JP4500399B2/en not_active Expired - Lifetime
-
2001
- 2001-02-01 TW TW090102015A patent/TWI231809B/en not_active IP Right Cessation
- 2001-02-01 CN CNB018045464A patent/CN1210234C/en not_active Expired - Lifetime
- 2001-02-01 US US10/181,781 patent/US20030024618A1/en not_active Abandoned
- 2001-02-01 WO PCT/JP2001/000711 patent/WO2001056953A1/en active Application Filing
- 2001-02-01 KR KR1020027009801A patent/KR100838192B1/en active IP Right Grant
- 2001-02-01 EP EP01948976.4A patent/EP1254880B1/en not_active Expired - Lifetime
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2001220282A (en) | 2001-08-14 |
| EP1254880A1 (en) | 2002-11-06 |
| JP4500399B2 (en) | 2010-07-14 |
| KR100838192B1 (en) | 2008-06-16 |
| TWI231809B (en) | 2005-05-01 |
| WO2001056953A1 (en) | 2001-08-09 |
| EP1254880A4 (en) | 2011-01-26 |
| KR20020071028A (en) | 2002-09-11 |
| EP1254880B1 (en) | 2019-09-04 |
| US20030024618A1 (en) | 2003-02-06 |
| CN1210234C (en) | 2005-07-13 |
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